A student sex scandal led to a a former Maine East high school teacher losing her license.
Espinosa pleaded guilty to aggravated battery in a Skokie courthouse on Thursday.
The 40-year-old had been free on bond since her arrest in May of 2009. Police arrested her, the teen, and another man after they found them in a parked car filled with marijuana smoke at an apartment complex in Des Plaines.
Espinosa, a mother of two, was married at the time of her arrest but admitted she had sex with the 16-year-old in her home and car numerous times. According to the Cook County officials, the teen is an alleged gang member.